Records of the Geological Survey of India, Volume 120, Parts 2-8government of India., 1985 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 12
... sillimanite grade . The Delhi Supergroup of rocks in the central part of Aravalli range shows a diachronous evolutionary history with time equivalency for the Barotiya , Sendra and Rajgarh Group and a relatively younger status for the ...
... sillimanite grade . The Delhi Supergroup of rocks in the central part of Aravalli range shows a diachronous evolutionary history with time equivalency for the Barotiya , Sendra and Rajgarh Group and a relatively younger status for the ...
Page 14
... sillimanite ( fibrolite ) segrega- tion in the area west of Babra ( 26 ° 14'30 " : 74 ° 15'00 " ) and west of Kalab Kalan ( 25 ° 50'45 " : 74 ° 02'40 " ) . The garnetiferous quartzo - feldspathic gneiss con- tains ellipsoids of feldspar ...
... sillimanite ( fibrolite ) segrega- tion in the area west of Babra ( 26 ° 14'30 " : 74 ° 15'00 " ) and west of Kalab Kalan ( 25 ° 50'45 " : 74 ° 02'40 " ) . The garnetiferous quartzo - feldspathic gneiss con- tains ellipsoids of feldspar ...
Page 24
... sillimanite grade of regional metamorphism . The pre - Delhi ( east ) is metamorphosed in the garnet to sillimanite - kyanite grade . This regional meta- morphism is syn- to post - F , episode . Retrogres- sion took place during post ...
... sillimanite grade of regional metamorphism . The pre - Delhi ( east ) is metamorphosed in the garnet to sillimanite - kyanite grade . This regional meta- morphism is syn- to post - F , episode . Retrogres- sion took place during post ...
Contents
Contents | 1 |
Stratigraphy and structure of Delhi Supergroup of rocks | 12 |
Structures in Singhbhum shear zone at and around | 27 |
Copyright | |
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Common terms and phrases
anhydrite antiform Aravalli range average axial planes bands Barotiya and Sendra Barotiya Group basalts basin Bhim Group block boreholes Chaibasa channel chert Chitradurga chlorite clay crescentic lamina deformation Delhi Delhi Supergroup deposit developed Devgarh Devgarh Group dextral Dhanjori drilling east eastern evaporites exploration F₂ folds folds F formation Geol Geological map geophysical gneiss gold grade granite gravity ground water halite Haryana hinge Hutti Ingaldhalu iron isoclinal Jodhpur laterite limb lineation lode metabasalts metamorphism migmatization mineral mineralisation minor folds Nagaur occur phase of folding planar plunge polyhalite pre-Delhi inlier pre-Delhi west Precambrian Punjab quartz quartzite Rajasthan Rajgarh Rajgarh Group Ras Marble red beds regional rocks Rohtak district samples schist schist belt schistosity sediments Sendra Group sequence shear zone Singhbhum strand plain stratigraphic Strike Reef structures sulphide Supergroup Surv Survey of India synform tectonic thickness tion trend Tuff values variogram Vasudev volcanics western